UPSC CDS I 2025 Mathematics Paper
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Question Numbers: 55-56
A circle M of radius 8 cm touches externally with another circle N of radius 16 cm. Let P, Q be the points where the common tangent touches the circles M and N respectively.
A circle M of radius 8 cm touches externally with another circle N of radius 16 cm. Let P, Q be the points where the common tangent touches the circles M and N respectively.
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Question : 55 of 100
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What is the length of the common tangent PQ?
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